• Front view of a 2013-2016 TRAX Engine Control Module, part 12663405, showing the main electrical connector ports for a plug-and-play installation.
  • Programmed 2011-2015 Volt Engine Control Module 12663405. Shows the main connectors, a direct replacement to fix check engine lights and no-start issues.
  • Programmed 2013-2016 Encore Engine Module 12663405. Shows connectors for a direct-fit installation to solve check engine lights and no-start issues.
  • Front view of a 2014-2016 ELR Engine Control Module 12663405, showing the main electrical connector ports. This programmed ECM fixes check engine lights.
  • Programmed 2012-2016 Cruze Engine Module, part 12663405, showing the main housing and three electrical connection ports for a direct-fit installation.
  • Front view of a 2014-2015 Spark Engine Module 12663405, showing the main electrical connectors. This pre-programmed ECM solves check engine lights and performance issues.
  • Front view of a 2012-2016 Sonic Engine Control Module 12663405, showing the aluminum case and main electrical connector ports. Pre-programmed for GM vehicles.
  • Front view of the 2012-2016 Silverado 2500 ECM, part 12663405. This pre-programmed module fixes engine issues like stalling and error codes.
  • Engine Control Module 12663405 for a 2012-2016 Silverado 3500 ECM, showing the main electrical connectors for a reliable, programmed installation.
  • Front view of a 2012-2016 Sierra Denali 2500 ECM, part 12663405, showing the main connectors. This programmed module fixes DTCs like P0601.
  • Programmed 2012-2016 Sierra Denali 3500 ECM, part 12663405, showing the main electrical connectors. This is a reliable fix for engine error codes.
  • Engine Control Module (ECM) for a 2012-2016 Sierra 2500 Pickup, part 12663405. This pre-programmed module solves engine problems like stalling and clears fault codes like P0601.
  • Front view of a 2012-2016 Sierra 3500 ECM, part 12663405, showing the main electrical connector ports. This programmed module fixes CEL codes like P0601.
  • Programmed 2016 Express 2500 Van ECM 12663405, showing the main connectors. This module is a direct-fit replacement to fix no-start issues and communication DTCs.
  • Programmed 2016 Express 3500 Van ECM, part 12663405, showing the main case and electrical connector pins for a reliable engine repair.
  • Programmed 2016 Suburban 3500 ECM 12643636, showing the main electrical connectors. A reliable replacement to fix engine stalling and clear DTCs like P0601.
  • Front view of a 2016 Savana 3500 Engine Control Module 12643636, showing the main electrical connectors. This programmed ECM solves drivability issues.
  • Programmed 2016 Savana 2500 ECM Engine Control Module 12643636, showing the main connectors for a direct-fit installation to fix drivability issues.
  • Programmed 2013-2016 Trax Engine Module 12643636. This ECM is a direct-fit replacement, solving no-start issues and DTCs like P0601.
  • Programmed 2011-2015 Volt Engine Control Module 12643636. Shows the main housing and electrical connectors for a direct-fit replacement to fix CELs and no-start issues.

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